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1230624530 = 25160776579
BaseRepresentation
bin100100101011001…
…1101011100010010
310011202122012111022
41021112131130102
510010014441110
6322040315442
742332064422
oct11126353422
93152565438
101230624530
11581723473
122a4172b82
13167c577c5
14b9622482
1573089755
hex4959d712

1230624530 has 16 divisors (see below), whose sum is σ = 2216531520. Its totient is φ = 491937072.

The previous prime is 1230624529. The next prime is 1230624589. The reversal of 1230624530 is 354260321.

It is a self number, because there is not a number n which added to its sum of digits gives 1230624530.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22220 + ... + 54359.

It is an arithmetic number, because the mean of its divisors is an integer number (138533220).

Almost surely, 21230624530 is an apocalyptic number.

1230624530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1230624530 is a deficient number, since it is larger than the sum of its proper divisors (985906990).

1230624530 is a wasteful number, since it uses less digits than its factorization.

1230624530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78193.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 1230624530 is about 35080.2584083983. The cubic root of 1230624530 is about 1071.6225797166.

Adding to 1230624530 its reverse (354260321), we get a palindrome (1584884851).

The spelling of 1230624530 in words is "one billion, two hundred thirty million, six hundred twenty-four thousand, five hundred thirty".

Divisors: 1 2 5 10 1607 3214 8035 16070 76579 153158 382895 765790 123062453 246124906 615312265 1230624530